code: def accuracy_wk(solution, prediction, extra_argument):
      # custom function defining accuracy and accepting an additional argument
      assert extra_argument is None
      return np.mean(solution == prediction)
  
file_path: auto-sklearn/examples/40_advanced/example_metrics.py
imports: import numpy
  import sklearn.model_selection
  import sklearn.datasets
  import sklearn.metrics
  import autosklearn.classification
  import autosklearn.metrics
label_desc: Use image node_id 3 for calling a global function with example usage: accuracy_wk(solution, prediction, extra_argument) and returns: np